Update rt_launch usage

1 files changed, 8 insertions, 11 deletions

diff --git a/bin/rt_launch.c b/bin/rt_launch.c
index 66cb21f..3863031 100644
--- a/bin/rt_launch.c
+++ b/bin/rt_launch.c
@@ -29,17 +29,14 @@ int launch(void *task_info_p) {
 }
 
 void usage(char *error) {
-        fprintf(stderr, "%s\nUsage: \nlaunch_rt supports one of two modes:\n"
-                "\n\tlaunch_rt <SPORADIC OPTIONS> <wcet> <period> program arg1 arg2 ...\n"
-                "\nwhere:"
-                "\n\t <SPORADIC OPTIONS> = "
-                "[-c {hrt|srt|be}] [-p <cpu>]\n"
-                "\nExamples:"
-                "\n\trt_launch -p 2 10 100 cpu_job"
-                "\n\t  => Launch cpu_job a hard real-time task with "
-                "\n\t     period 100ms and weight 0.1 on CPU 2.\n"
-                "\n\n",
-                error);
+        fprintf(stderr, "%s\nUsage: rt_launch [-w][-v][-p cpu][-c hrt | srt | be] wcet period program [arg1 arg2 ...]\n"
+                        "\t-w\tSynchronous release\n"
+                        "\t-v\tVerbose\n"
+                        "\t-p\tcpu (or initial cpu)\n"
+                        "\t-c\tClass\n"
+                        "\twcet, period in ms\n"
+                        "\tprogram to be launched\n",
+                        error);
         exit(1);
 }